### Breaking changes

Found  | Recommendations | Edition    | Issue
------ | --------------- | ---------- | -----
1.20.0 | **Yes**         | All        | [`disable_mlock` required for integrated storage](/vault/docs/v1.20.x/updates/important-changes#disable_mlock-config)
1.20.0 | **Yes**         | All        | [Rekey cancellations use a nonce](/vault/docs/v1.20.x/updates/important-changes#rekey-cancel-nonce)

### Known issues

Found  | Fixed  | Workaround | Edition    | Issue
------ |--------| ---------- | ---------- | -----

> [!IMPORTANT]  
> **Documentation Update:** Product documentation, which were located in this repository under `/website`, are now located in [`hashicorp/web-unified-docs`](https://github.com/hashicorp/web-unified-docs), colocated with all other product documentation. Contributions to this content should be done in the `web-unified-docs` repo, and not this one. Changes made to `/website` content in this repo will not be reflected on the developer.hashicorp.com website.
1.20.0 | No     | **Yes**    | All        | [Duplicate unseal/seal wrap HSM keys](/vault/docs/v1.20.x/updates/important-changes#hsm-keys)
1.20.0 | 1.20.1 | **Yes**    | Enterprise | [Development cluster setting overwritten on secondary cluster reload](/vault/docs/v1.20.x/updates/important-changes#development-cluster-reload)
1.20.0 | No     | **Yes**    | All        | [UI login fails for auth mounts with underscores and unauthenticated listing](/vault/docs/v1.20.x/updates/important-changes#ui-login-underscore)
1.20.0 | No     | **Yes**    | All        | [UI navigation to a KV v2 secret with an underscore errors without permissions to read subkeys](/vault/docs/v1.20.x/updates/important-changes#ui-kvv2-underscore-secrets)
